CN105765233A - Impeller, rotary machine, and impeller manufacturing method - Google Patents
Impeller, rotary machine, and impeller manufacturing method Download PDFInfo
- Publication number
- CN105765233A CN105765233A CN201480062613.6A CN201480062613A CN105765233A CN 105765233 A CN105765233 A CN 105765233A CN 201480062613 A CN201480062613 A CN 201480062613A CN 105765233 A CN105765233 A CN 105765233A
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- Prior art keywords
- component
- impeller
- blade part
- basal disc
- end side
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/237—Brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/239—Inertia or friction welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This impeller is equipped with: a disk section (30) that is fixed to a rotary shaft (5), said rotary shaft rotating about an axis (O), at least on a first end part (33) side located in the direction of the axis (O) and extends outward in the radial direction from a second end part (36) side located opposite to the first end part (33) side in the direction of the axis (O); blade sections (40) that are disposed so as to protrude from the disk section (30) toward the first end part (33) side; and a cover section (50) that is integrally disposed with the blade sections (40) and covers the blade sections (40) from the first end part (33) side. The disk section (30) is equipped with a first member (31) and a second member (32) that are divided from each other in the direction of the axis (O) on the side radially inward of the blade sections (40) by a dividing plane (B) that is orthogonal to the axis (O). The first member (31) and second member (32) are joined together at the dividing plane (B).
Description
Technical field
The present invention relates to the manufacture method of impeller, rotating machinery and impeller.
The application requires priority based on November 21st, 2013 to the Patent 2013-240921 of Japanese publication, and its content is incorporated herein.
Background technology
Such as, as the rotating machinery used in industrial compressor, turborefrigerator, small gas turbines etc., possesses the impeller installing multiple blade on the basal disc be fixed on rotating shaft.This rotating machinery gives pressure energy and velocity energy by making impeller rotate to gas.
As above-mentioned impeller, it is known to integrally installed with the so-called double shrouded wheel of cover on blade.In this double shrouded wheel, there is structure sometimes that engage multiple parts and assemble.When having such joint construction, present the tendency of the performance reduction of the quality reduction of flow path shape, impeller.Therefore, the change of one section of impeller is sometimes made.But, when making one section of impeller change, it is necessary to the machining of complexity, welding, the assembling operation of impeller expends time in.
In patent documentation 1, propose following technology: by splitting the second component forming the axis direction one side side making the basal disc portion of formation stream, blade part, the first component of the one section of change in cover portion and basal disc portion, it is possible to increase machining tool is relative to the plugging into property of the first component.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2013-47479 publication
The problem that invention to solve
Above-mentioned impeller is installed on rotating shaft sometimes with thermal deformation.When so utilizing thermal deformation to install impeller to rotating shaft, if basal disc part being segmented into the first component and second component, if it has to separately load and unload relative to rotating shaft.Accordingly, there exist and become loaded down with trivial details such problem relative to the installation of rotating shaft and dismounting operation.Such as, utilize after by thermal deformation the first component being installed on rotating shaft thermal deformation to rotating shaft second component is installed, to the first component transmission, the heat of second component there is a possibility that the position of the first component offsets.
Summary of the invention
The present invention provides the quality that can improve flow path shape and the manufacture method of impeller, rotating machinery and the impeller that can easily load and unload relative to rotating shaft.
Solution
First scheme according to the present invention, impeller possesses: basal disc portion, its first end side at least fixing on described axis direction relative to the rotating shaft rotated about the axis, and be radially oriented outside from the second end side the described axis direction becoming the side contrary with described first end side and extend；Blade part, it is protrusively provided from described basal disc portion to the first end side described axis direction；And cover portion, itself and described blade part are wholely set, and cover described blade part from the first end side described axis direction.Described basal disc portion possesses the first component and second component, and described first component and second component are by described basal disc portion being divided into two parts in the axial direction with the divisional plane of described orthogonal axe at the radially inner side of described blade part.Described first component and described second component are engaged at described divisional plane place.
By such composition, it is possible to when the radially inner side of blade part is configured without component, process second component.Further, since the first component and second component are engaged at divisional plane place, therefore without installing the first component and second component individually relative to rotating shaft.Additionally, when utilizing thermal deformation to be installed on rotating shaft, owing to rotating shaft is fixed in the first end side at least axis direction, therefore compared with the fixing situation being radially oriented the second end side that outside extends and area of section is bigger, it is possible to make temperature increase rapidly.Further, since divisional plane and orthogonal axe, therefore compared with situation about tilting etc., it is possible to easily carry out joining process.
Alternative plan according to the present invention, in above-mentioned impeller, it is also possible to be, described divisional plane has stage portion, and this stage portion limits described second component and carries out displacement relative to described first component to outer radial periphery side.
By such composition, it is possible to easily position second component relative to the first component.Further, since utilize stage portion to limit the displacement being radially oriented outside of second component, therefore, it is possible to suppress the power towards shear direction to divisional plane effect.Therefore, it is possible to raising bond strength.It addition, for instance, it is possible to suppress the deformation being radially oriented outside of the second component bigger with the first component phase specific mass.
Third program according to the present invention, it is also possible to be, the described divisional plane of above-mentioned impeller is engaged by soldering or friction-stir and is engaged.
By such composition, it is possible to make the first component easily engage relative to second component.
Fourth program according to the present invention, rotating machinery possesses above-mentioned impeller.
By such composition, it is possible to easily carry out the maintenance of impeller, and the difference of quality can be suppressed to realize commodity and improve.
The 5th scheme according to the present invention, in the manufacture method of impeller, impeller possesses: basal disc portion, its first end side at least fixing on described axis direction relative to the rotating shaft rotated about the axis, and be radially oriented outside from the second end side the described axis direction becoming the side contrary with described first end side and extend；Blade part, it is protrusively provided from described basal disc portion to the first end side described axis direction；And cover portion, itself and described blade part are wholely set, and covering described blade part from the first end side described axis direction, the radially inner side that described basal disc portion possesses at described blade part is divided into two-part first component and second component in the axial direction with the divisional plane of described orthogonal axe.The manufacture method of described impeller includes following operation: form the operation of described first component；Forming the operation of second component, wherein, described blade part, described cover portion are integrally formed with described basal disc portion and form by this second component；The operation that described first component is engaged with described second component；And it is fixed on the operation of described rotating shaft to the first component described in major general.
By such composition, it is possible to increase the processability of the stream formed by basal disc portion, blade part and cover portion.It addition, after engaging the first component and second component, the first component can be fixed to rotating shaft, therefore, it is possible to easily carry out the handling relative to rotating shaft.
Invention effect
Manufacture method according to above-mentioned impeller, rotating machinery and impeller, it is possible to increase the quality of flow path shape, and easily can load and unload relative to rotating shaft.
Accompanying drawing explanation
Fig. 1 is the sectional view of the centrifugal compressor in first embodiment of the present invention.
Fig. 2 is the axonometric chart of the impeller in first embodiment of the present invention.
Fig. 3 is the sectional view of the impeller in first embodiment of the present invention.
Fig. 4 indicates that the flow chart of the manufacture method of the impeller in first embodiment of the present invention.
Fig. 5 is the sectional view suitable with Fig. 3 in second embodiment of the present invention.
Fig. 6 is the enlarged drawing of the stage portion in second embodiment of the present invention.
Fig. 7 is the enlarged drawing suitable with Fig. 6 in the variation of second embodiment of the present invention.
Fig. 8 is the enlarged drawing suitable with Fig. 6 in the variation of first embodiment of the present invention.
Detailed description of the invention
(the first embodiment)
It follows that illustrate with reference to the rotating machinery in the accompanying drawing the first embodiment to the present invention.
Fig. 1 indicates that the sectional view of the brief configuration of the centrifugal compressor 100 of the rotating machinery possessing present embodiment.Fig. 2 is the axonometric chart of the impeller in first embodiment of the present invention.Fig. 3 is the sectional view of the impeller in first embodiment of the present invention.
As it is shown in figure 1, have rotating shaft 5 via journal bearing 105a and thrust bearing 105b pivot suspension on the shell 105 of centrifugal compressor 100.Rotating shaft 5 can rotate around axes O.On this rotating shaft 5, multiple impeller 10 is mounted side by side along axes O direction.
As in figure 2 it is shown, each impeller 10 has substantially discoid shape.Impeller 10 is configured to, and discharges being radially oriented outer circumferential side from the fluid sucked to the introducing port 2 of side's side opening in its axes O direction via the stream 104 being internally formed at impeller 10.
Each impeller 10 utilizes the stream 104 implements spatial scalable compression flowing rotating the gas G downstream side that the stream 104 from the upstream side being formed at shell 105 is supplied by produced centrifugal force of rotating shaft 5.
As it is shown in figure 1, on shell 105, the front side (left side in Fig. 1) in the axes O direction of rotating shaft 5 is formed with the suction inlet 105c for making gas G flow into from outside.It addition, on shell 105, the rear side (right side in Fig. 1) in axes O direction is formed for making the gas G outlet 105d flowed out to outside.It should be noted that in the following description, it is called on the left of paper " front side ", is called on the right side of paper " rear side ".
According to above-mentioned centrifugal compressor 100, when rotating shaft 5 rotates, gas G flows into from suction inlet 105c to stream 104.This gas G is discharged from outlet 105d by impeller 10 implements spatial scalable compression.In above-mentioned Fig. 1, it is shown that an example of 6 impellers 10 is set in series on rotating shaft 5, but at least one impeller 10 is set relative to rotating shaft 5.It should be noted that in the following description, for the purpose of simplifying the description, the situation being provided only with an impeller 10 on rotating shaft 5 is illustrated as an example.
As shown in Figure 2 and Figure 3, impeller 10 possesses basal disc portion 30, blade part 40 and cover portion 50.
Basal disc portion 30 is installed on rotating shaft 5 by being fitted together to from radial outside.Basal disc portion 30 possesses and is divided into two-part first component 31 and second component 32 in the axial direction by the divisional plane B orthogonal with axes O.Above-mentioned first component 31 is engaged at divisional plane B place with second component 32.
First component 31 has the substantially cylindric shape centered by axes O.This first component 31 first end 33 side on front side of axes O direction possesses the clamping part A chimeric with rotating shaft 5.It addition, the first component 31 possesses wide diameter portion 34 expanding gradually on rear side of axes O direction.It is concave curved surface that the outer peripheral face of this wide diameter portion 34 becomes towards outside in the section comprise axes O.It addition, the end face 35 on rear side of the axes O direction of the first component 31 engages with second component 32.At this, the method that the first component 31 is embedded in rotating shaft 5 in above-mentioned clamping part A is the method that make use of thermal deformation, for instance can use cold set cooperation, hot charging.Impeller 10 in present embodiment is only installed on rotating shaft 5 by clamping part A.
Second component 32 is formed as being radially oriented from the second end 36 side becoming the side contrary with first end 33 side on axes O direction that outside extends is discoid.The base portion side region 32b of the leading flank 32a of second component 32 engages with the end face 35 of above-mentioned first component 31.Above-mentioned end face 35 constitutes the divisional plane B orthogonal with axes O with the base portion side region 32b of leading flank 32a.At this, orthogonal with axes O refer to, along radially extending of basal disc portion 30.
It is engaged that first component 31 and second component 32 engage (FSW) etc. at divisional plane B place by soldering or friction-stir.
Blade part 40 along basal disc portion 30 circumferentially spaced predetermined distance be arranged with multiple.
Blade part 40 is formed by the thickness of slab of constant and is protrudedly formed from the leading flank 32a in basal disc portion 30 towards the front in axes O direction.It addition, as it is shown on figure 3, blade part 40 is set as is radially oriented, under side-looking is observed, the shape that outside front ends slightly attenuates.
As in figure 2 it is shown, each blade part 40 when observing from axes O direction to be formed in the way of on rear side of the direction of rotation of impeller 10 along with the radial outside towards basal disc portion 30.It addition, each blade part 40 is formed towards on rear side of axis direction of rotation concavely curved when observing from axes O direction.At this, from axes O direction, the example being bent to form is observed for blade part 40 and is illustrated, but blade part 40 more extends to the rear side of direction of rotation in outside radially.Such as can also observe from axes O direction and blade part 40 is formed as straight line.
In fig. 2, arrow is utilized to represent the direction of rotation of impeller 10.
First end 33 side from axes O direction, the cover portion 50 covers blade part 40.The cephalolateral margin 40a one of the trailing flank 50a on the axes O direction in cover portion 50 and blade part 40 is installed.The gauge in cover portion 50 is identical with the gauge in basal disc portion 30, is formed as the tabular that the gauge of radial outside is slightly thin.This cover portion 50 has the bending section 51 bent towards the front side on axes O direction in the position of the medial extremity 40b of blade part 40.
The impeller 10 constituted as described above configures wide diameter portion 34 and divisional plane B at the radially inner side of blade part 40.It addition, the first end 33 of the first component 31 is arranged in the position leaning on the front side on axes O direction than the cephalolateral margin 51a of bending section 51.The outer peripheral face 31a of the first component 31, the leading flank 32a of second component 32, the side 40c of blade part 40 and the trailing flank 50a in cover portion 50 is utilized to form the stream 104 of supplied gas G flowing.
It follows that the manufacture method of above-mentioned impeller 10 is illustrated by the flow chart with reference to Fig. 4.
First, the first component 31 is formed (step S01) by casting, cutting etc..
It follows that second component 32 is integrally formed (step S02) with blade part 40 and cover portion 50.More particularly, it is integrally formed second component 32, blade part 40 and cover portion 50 by mother metals such as cutting precipitation hardening type rustless steels.
It addition, by the first component 31 with second component 32 at divisional plane B place engaged (step S03).More particularly, the end face 35 of the base portion side region 32b of the leading flank 32a of second component 32 and the first component 31 is engaged by soldering or friction-stir and engaged.
Afterwards, the clamping part A of the first component 31 is embedded in by hot charging the assigned position (step S04) of the outer peripheral face 5a of rotating shaft 5.
Thus, the impeller 10 according to the first above-mentioned embodiment, it is possible to when being configured without component than blade part 40 by radially inner side, process second component 32.Further, since the first component 31 is engaged at divisional plane B with second component 32, therefore without first component 31 separately installed relative to rotating shaft 5 and second component 32.Additionally, when utilizing thermal deformation to install to rotating shaft 5, owing to the clamping part A of first end 33 side on axes O direction is fixed in rotating shaft 5, therefore compared with the fixing situation being radially oriented the second end 36 side that outside extends and area of section is bigger, it is possible to make temperature increase rapidly.Additionally, due to divisional plane B is orthogonal with axes O, therefore compared with the divisional plane B situation etc. tilted, it is possible to easily carry out joining process.
As a result of which it is, the quality of the shape that can improve in stream 104, and easily can load and unload relative to rotating shaft 5.
It addition, the centrifugal compressor 100 according to the first above-mentioned embodiment, it is possible to easily carry out the maintenance of impeller 10, and the difference of quality can be suppressed to realize commodity and improve.
Additionally, the divisional plane B of impeller 10 is engaged by soldering or friction-stir and is engaged.Therefore, it is possible to make the first component 31 easily engage relative to second component 32.
It addition, the manufacture method of the impeller 10 according to the first above-mentioned embodiment, it is possible to increase the processability of the stream 104 formed by basal disc portion 30, blade part 40 and cover portion 50.It addition, after the first component 31 is engaged with second component 32, the first component 31 can be fixed to rotating shaft 5, therefore, it is possible to easily carry out the handling relative to rotating shaft 5.
Additionally, when the first component 31 is carried out soldering with second component 32, the first component 31 and second component 32 are heated to about 900 degree.It addition, when making the first component 31 engage with rotating shaft 5 by hot charging, the first component 31 and second component 32 are heated to about 500 degree lower than soldering.Therefore, by implementing hot charging after the first component 31 and second component 32 have been carried out soldering, because of the heating that hot charging brings, the bonding part of the first component 31 with second component 32 will not be had undesirable effect, it is possible to successfully assemble.
(the second embodiment)
It follows that illustrate based on the impeller in the accompanying drawing the second embodiment to the present invention.It is different from the impeller 10 of the first above-mentioned embodiment that the impeller of this second embodiment is only formed with stage portion this point on divisional plane B.Therefore, the accompanying drawing labelling that the part mark identical with the first above-mentioned embodiment is identical is illustrated, and the repetitive description thereof will be omitted.
Fig. 5 is the sectional view suitable with Fig. 3 in second embodiment of the present invention.
As it is shown in figure 5, the impeller 110 in this second embodiment possesses basal disc portion 30, blade part 40 and cover portion 50.About blade part 40 and cover portion 50, owing to adopting the structure identical with the first above-mentioned embodiment, therefore detailed.
Basal disc portion 30 possesses the first component 131 and second component 132.
First component 131 has the substantially cylindric shape centered by axes O.This first component 131 first end 33 side on front side of axes O direction possesses the clamping part A chimeric with rotating shaft 5.Clamping part A is embedded in rotating shaft 5A by employing the method for thermal deformation from outside.This chimeric method can such as use cold set to coordinate in the same manner as the first embodiment, hot charging.
First component 131 possesses wide diameter portion 34 expanding gradually on rear side of axes O direction.
It is concave curved surface that the outer peripheral face of this wide diameter portion 34 becomes towards outside in the section comprise axes O.It addition, the end face 35 on rear side of the axes O direction of the first component 131 engages with second component 132.
Second component 132 is formed as the second end 36 side from axes O direction and is radially oriented the discoid of outside extension.The base portion side region 32b of the leading flank 32a of second component 132 engages with the end face 35 of above-mentioned first component 131.Above-mentioned end face 35 constitutes orthogonal with axes O with the base portion side region 32b of leading flank 32a and basal disc portion 30 is divided into two-part divisional plane B.
Basal disc portion 30 has stage portion 37 on its divisional plane B.This stage portion 37 is for limiting second component 132 relative to first component 131 situation towards the displacement of outer radial periphery side.Stage portion 37 forms the midway of the radial direction at divisional plane B, and more particularly, formation is at the central part of the radial direction of divisional plane B.
Fig. 6 is the enlarged drawing of the stage portion 37 in second embodiment of the present invention.
As shown in Figure 6, stage portion 37 possesses bearing-surface 38 and composition surface 39.
Bearing-surface 38 is formed at the first component 131, and is radially oriented inner side.
Composition surface 39 is formed at second component 132, and is radially oriented outside.
Above-mentioned bearing-surface 38 is formed as circular with composition surface 39 around rotating shaft 5.
In other words, as it is shown in figure 5, in basal disc portion 30, the peristome periphery in end face 35 side of the through hole 11 of the first component 131 inserted for rotating shaft 5 is formed with groove.It addition, in basal disc portion 30, the peristome periphery in the 32b side, base portion side region of the through hole 12 of the second component 132 inserted for rotating shaft 5 is formed with the protuberance that can embed above-mentioned groove.
As shown in Figure 6, in divisional plane B, end face 35 is engaged with the base portion side region 32b of leading flank 32a.In other words, the first component 131 with second component 132 only face to be radially oriented extension engage.In Fig. 6, accompanying drawing labelling " S " represents bonding part.When soldering, configure solder at this bonding part S.
Thus, the impeller 110 according to the second above-mentioned embodiment, it is possible to easily position second component 132 relative to the first component 131.Further, since the displacement that second component 132 is radially oriented outside is limited by stage portion 37, therefore, it is possible to suppress the power applied to shear direction to divisional plane B effect.Therefore, it is possible to raising bond strength.It addition, for instance, it is possible to suppress the deformation to radial outside caused by centrifugal force of the big second component 132 of mass ratio the first component 131.
It should be noted that the invention is not restricted to the structure of above-mentioned each embodiment, it is possible to be designed changing in without departing from the scope of its purport.
In above-mentioned each embodiment, although the situation being engaged the first component 31,131 and second component 32,132 by soldering, friction-stir is illustrated but it also may use the joint method beyond soldering, friction-stir joint.
Although it addition, the situation only arranging clamping part A in first end 33 side is illustrated, as long as but clamping part A is at least provided with in first end 33 side, for instance the chimeric of other positions such as the second end 36 side can also be adopted simultaneously.
Additionally, in the second above-mentioned embodiment, describe the example only forming a stage portion 37.But, stage portion 37 is not limited to one.Such as, as shown in Figure 7, it is also possible to multiple stage portion 37a, 37b are set.It should be noted that the quantity of stage portion is not limited to two.It addition, in this second embodiment, it is illustrated during for being configured without solder in stage portion 37 but it also may in stage portion 37, also configure solder and carry out soldering.
In above-mentioned each embodiment, although the situation of configuration divisional plane B in the elongated surfaces of the leading flank 32a of the second component 32 installed for blade part 40 is illustrated, but is not limited thereto.As long as divisional plane B is configured at blade part 40, is more particularly configured at the radially inner side of the medial extremity 40b of blade part 40 and extends to the direction orthogonal with axes O.
Fig. 8 represents the impeller 210 in the variation of the first above-mentioned embodiment.This impeller 210 is only that shape is different from the impeller 10 of the first above-mentioned embodiment, therefore that identical part mark is identical accompanying drawing labelling.As shown in Figure 8, for instance, it is also possible to the position by axes O direction and by first end 33 side, the position of the leading flank 32a that the ratio in leading flank 32a is installed for blade part 40 configures divisional plane B.
Additionally, in above-mentioned each embodiment, although it is illustrated by the situation that impeller 10,110 is applied to centrifugal compressor 100.But it is possible to the rotating machinery of application impeller 10,110 is not limited to centrifugal compressor 100.Impeller 10,110 such as can also apply to various industrial compressor, turborefrigerator, small gas turbines.
Industrial applicibility
Manufacture method according to above-mentioned impeller, rotating machinery and impeller, it is possible to increase the quality of flow path shape, and easily can load and unload relative to rotating shaft.
Description of reference numerals:
5 rotating shafts
5a outer peripheral face
10 impellers
11 through holes
30 basal disc portions
31 first components
31a outer peripheral face
32 second components
32a leading flank
32b base portion side region
33 first ends
34 wide diameter portions
35 end faces
36 the second ends
37 stage portion
38 bearing-surfaces
39 composition surfaces
40 blade parts
40a cephalolateral margin
40b medial extremity
40c side
50 cover portions
50a trailing flank
51 bending sections
51a cephalolateral margin
100 centrifugal compressors
104 streams
105 shells
105a journal bearing
105b thrust bearing
105c suction inlet
105d outlet
A clamping part
B divisional plane
G gas
O axis
Claims (5)
1. an impeller, it possesses:
Basal disc portion, its first end side at least fixing on described axis direction relative to the rotating shaft rotated about the axis, and be radially oriented outside from the second end side the described axis direction becoming the side contrary with described first end side and extend；
Blade part, it is protrusively provided from described basal disc portion to the first end side described axis direction；And
Cover portion, itself and described blade part are wholely set, and cover described blade part from the first end side described axis direction,
Wherein,
Described basal disc portion possesses the first component and second component, and described first component and second component are by described basal disc portion being divided into two parts in the axial direction with the divisional plane of described orthogonal axe at the radially inner side of described blade part,
Described first component and described second component are engaged at described divisional plane place.
2. impeller according to claim 1, wherein,
Described divisional plane has stage portion, and this stage portion limits described second component and carries out displacement relative to described first component to outer radial periphery side.
3. impeller according to claim 1 and 2, wherein,
Described divisional plane is engaged by soldering or friction-stir and is engaged.
4. a rotating machinery, wherein,
Described rotating machinery possesses the impeller according to any one of claims 1 to 3.
5. a manufacture method for impeller, the manufacture method of the impeller being discussed further below:
Described impeller possesses:
Basal disc portion, its first end side at least fixing on described axis direction relative to the rotating shaft rotated about the axis, and be radially oriented outside from the second end side the described axis direction becoming the side contrary with described first end side and extend；
Blade part, it is protrusively provided from described basal disc portion to the first end side described axis direction；And
Cover portion, itself and described blade part are wholely set, and cover described blade part from the first end side described axis direction,
The radially inner side that described basal disc portion possesses at described blade part is divided into two-part first component and second component in the axial direction with the divisional plane of described orthogonal axe,
Wherein,
The manufacture method of described impeller includes following operation:
Form the operation of described first component；
Forming the operation of second component, wherein, described blade part, described cover portion and described basal disc portion are integrally formed and form by this second component；
The operation that described first component is engaged with described second component；And
It is fixed on the operation of described rotating shaft to the first component described in major general.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-240921 | 2013-11-21 | ||
| JP2013240921A JP6327505B2 (en) | 2013-11-21 | 2013-11-21 | Impeller and rotating machine |
| PCT/JP2014/080335 WO2015076217A1 (en) | 2013-11-21 | 2014-11-17 | Impeller, rotary machine, and impeller manufacturing method |
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| CN105765233A true CN105765233A (en) | 2016-07-13 |
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| CN201480062613.6A Pending CN105765233A (en) | 2013-11-21 | 2014-11-17 | Impeller, rotary machine, and impeller manufacturing method |
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| Country | Link |
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| US (1) | US10443605B2 (en) |
| EP (1) | EP3059454B1 (en) |
| JP (1) | JP6327505B2 (en) |
| CN (1) | CN105765233A (en) |
| WO (1) | WO2015076217A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105003302B (en) * | 2014-04-18 | 2017-04-12 | 松下知识产权经营株式会社 | Turbomachine |
| JP2018095301A (en) * | 2016-12-15 | 2018-06-21 | 株式会社イシダ | Bag preparing and packaging machine |
| US10982548B2 (en) | 2017-02-20 | 2021-04-20 | Mitsubishi Heavy Industries Compressor Corporation | Impeller, rotary machine, method for manufacturing impeller, and method for manufacturing rotary machine |
| JP6789165B2 (en) * | 2017-03-30 | 2020-11-25 | 三菱重工コンプレッサ株式会社 | Impeller manufacturing method |
| JP6936126B2 (en) | 2017-11-29 | 2021-09-15 | 三菱重工コンプレッサ株式会社 | Impeller, rotating machine |
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- 2013-11-21 JP JP2013240921A patent/JP6327505B2/en active Active
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2014
- 2014-11-17 US US15/037,117 patent/US10443605B2/en active Active
- 2014-11-17 CN CN201480062613.6A patent/CN105765233A/en active Pending
- 2014-11-17 EP EP14864299.4A patent/EP3059454B1/en active Active
- 2014-11-17 WO PCT/JP2014/080335 patent/WO2015076217A1/en active Application Filing
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| JP2001355595A (en) * | 2000-06-13 | 2001-12-26 | Hitachi Ltd | Manufacturing method of impeller for pump and pump formed by using impeller |
| JP2004308647A (en) * | 2003-03-24 | 2004-11-04 | Hitachi Industries Co Ltd | Method for manufacturing impeller, and impeller |
| JP2008121650A (en) * | 2006-11-16 | 2008-05-29 | Matsushita Electric Ind Co Ltd | Electric blower and vacuum cleaner using the electric blower |
| CN103237993A (en) * | 2010-12-08 | 2013-08-07 | 三菱重工业株式会社 | Rotary machine |
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| JP2013133735A (en) * | 2011-12-26 | 2013-07-08 | Mitsubishi Heavy Ind Ltd | Impeller and rotary machine with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3059454A1 (en) | 2016-08-24 |
| JP6327505B2 (en) | 2018-05-23 |
| EP3059454A4 (en) | 2016-11-16 |
| JP2015101967A (en) | 2015-06-04 |
| EP3059454B1 (en) | 2019-09-18 |
| WO2015076217A1 (en) | 2015-05-28 |
| US20160290354A1 (en) | 2016-10-06 |
| US10443605B2 (en) | 2019-10-15 |
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